Math Questions.. help!!!?

Question

1. Arrange in order from smallest to largest.
2.05, 25/10, 2.0513, 2.059, 251/100, 2.0515, 2.052, 2.051

2. Lula wants to round 76.24491 to the nearest hundredth. She first rounds 76.24491to 76.245 and then rounds 76.245 to 76.25 and claims that this is the final answer. What is wrong with this approach?

3. To find the simple interest on a loan for 1 year at 12.5%,
multiply the amount of the loan by 0.125. What simple interest will you pay on a
loan of $1,458 at 12.5% for 1 year?

4. In a bottling company, a machine can fill a 2-liter (L)
bottle in 0.5 second (s) and move the next bottle into place in 0.1 s. How many
2-L bottles can be filled by the machine in 2 h?

5. A circular coffee table has a diameter of 5 ft. What will it cost to have the
top refinished if the company charges $3 per square foot for the refinishing?

Answer 1

1--2.05
2.051
2.0513
2.0515
2.052
2.059
25/10
251/100

2--It is 76.24, u have to round only 76.244, drop the 9.
3--182.25
4--.6 seconds for one bottle-so you can do 10 in six minutes, multiply by 10 for one hour, so 100 in one hour, 200 in hours. 200
5--3.14 x 2.5^2
19.625 square feet- $58.88

Answer 2

1) 2.051, 2.0513, 2.0515, 2.052, 2.059, 2.05, 251/100, 25/10

2) 76.24 because you only care about the thousanths when rounding to the hundredths so 76.244 4 is rounded to 0 so the answer is 76.24

3) 1,458 x 0.125= $ 182.25

4) 4320 Bottles Because .6 seconds per bottle so 5 bottles per 3 seconds (3600 seconds in a hour)

5) about $ 58.89

c R

Answer 3

1. 2.05, 2.051, 2.0513, 2.0515, 2.052, 2.059, 25/10, 251/100

2. b/c 491 < 500, so you round down

3. $182.25

4. 200 botles

5. 15 times (pie)

Answer 4

1243 million

Answer 5

very hard cant do it!